FM4900 SPECIFICATIONS
57
76-02-011F
10 FM4900 SPECIFICATIONS
Parameter
Definition
E3 interface
G.703 compliant, Sensitivity: -10dB. Line coding: HDB3.
Interface type: 75 Ohm unbalanced coax (BNC)
Jitter Tolerance:
Per G.823.
Barrier:
EN 41003 compliant barrier provided on both interfaces.
Framing:
G.751 or G.703 Unframed.
DTE Interface:
HSSI: 50-way miniature AMP connector.
Clocking modes
E3 WAN port:
Circuit 113 (normally slaved to Circuit 114 by
DTE)
DTE port (Circuit 114)
: INTERNAL, LOOP
DTE Receive timing RT:
(Circuit 115) is always sourced
from the E3 Receive clock
Diagnostics
DTE loop, DTE External loop, NI Local loop, NI Remote loop.
Display Style
Counts, G.821, percent G.821
Error type
FAS (G.751 mode), Code errors
Management
V.24 terminal through terminal port. SNMP through
management port. Telnet through management port..
Management port can also be used for outgoing Telnet
sessions
Management port complies with IEEE 802.3 / 10 Base T.
Statistics database
Real time statistics time-stamped and logged in a database
accumulating over 15 minutes. 96 x 15 minute buckets are
stored for rolling 24 hour database.
General
Definition
Power supply
100-250 VAC 50-400 Hz or
-36 to -72 VDC, Buccaneer connector
Dimensions
1U x 19": 436 x 213 x 44 mm (w x d x h) with 19" mounting
flanges
Environmental
Range
Ambient Temperature:
0 degC to +50 degC
Storage Temperature:
-20 degC to +70 degC
Relative Humidity:
0% - 95% non condensing
Barometric Pressure
86 KPa - 106 KPa
Summary of Contents for FM4900
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Page 16: ...TECHNICAL OVERVIEW 76 02 011F 8...
Page 30: ...INSTALLING SETTING UP 76 02 011F 22...
